A novel T-shaped beam bistable piezoelectric energy harvester with a moving magnet
Energy,
Год журнала:
2024,
Номер
300, С. 131486 - 131486
Опубликована: Апрель 30, 2024
Язык: Английский
Harvesting Broadband Breeze Vibration Energy via Elastic Bistable Triboelectric Nanogenerator for In Situ, Self‐Powered Monitoring of Power Transmission Lines
Advanced Energy Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 6, 2024
Abstract
Triboelectric
nanogenerator
(TENG),
as
a
new
technique
for
energy
capture,
has
unique
advantages
in
harvesting
high‐entropy
energy.
In
view
of
the
wind‐induced
vibration
characteristics
power
transmission
lines,
symmetric
elastic
bistable
triboelectric
(EB‐TENG)
is
introduced
this
work.
The
core
component
EB‐TENG
cantilever
beam
structure,
which
designed
by
introducing
an
perturbation
structure
to
conventional
beam.
This
results
several
sub‐resonance
frequencies
addition
natural
frequencies,
broadens
frequency
band
EB‐TENG.
addition,
adopts
symmetrical
ensure
effective
energy,
even
situations
self‐tilting
and
external
tilting
vibration.
experimental
outcomes
confirm
that
can
significantly
harvest
7–60
Hz
range
delivers
maximum
peak
2.846
mW,
meets
major
lines
under
action
breeze.
Finally,
self‐powered
strategy
based
on
online
monitoring
devices
(such
tower
obstruction
lights,
temperature
humidity
sensors,
line
high
wireless
alarms)
constructed.
work
helps
promote
application
in‐situ
TENG
smart
lines.
Язык: Английский
Biomimetic swallowtail V-shaped attachments for enhanced low-speed wind energy harvesting by a galloping piezoelectric energy harvester
Energy,
Год журнала:
2024,
Номер
304, С. 132063 - 132063
Опубликована: Июнь 18, 2024
Язык: Английский
Improving the performance of vibration energy harvesting from weak excitations by a lever-type mechanism
Mechanical Systems and Signal Processing,
Год журнала:
2024,
Номер
222, С. 111766 - 111766
Опубликована: Июль 29, 2024
Язык: Английский
Ocean non-linear energy harvesting (NEH) with a buckled piezoelectric beam
Applied Ocean Research,
Год журнала:
2024,
Номер
150, С. 104115 - 104115
Опубликована: Июль 15, 2024
Язык: Английский
Numerical study on the reduction effect of sloshing phenomenon and energy harvesting using a flexible piezoelectric nanogenerator
Results in Engineering,
Год журнала:
2025,
Номер
unknown, С. 104543 - 104543
Опубликована: Март 1, 2025
Язык: Английский
Enhancing energy harvesting through hybrid bluff body at a predefined angle of attack coupling vortex-induced vibration and galloping
Ocean Engineering,
Год журнала:
2024,
Номер
312, С. 119029 - 119029
Опубликована: Авг. 23, 2024
Язык: Английский
Advancements and Future Prospects in Ocean Wave Energy Harvesting Technology Based on Micro-Energy Technology
Micromachines,
Год журнала:
2024,
Номер
15(10), С. 1199 - 1199
Опубликована: Сен. 27, 2024
Marine
wave
energy
exhibits
significant
potential
as
a
renewable
resource
due
to
its
substantial
storage
capacity
and
high
density.
However,
conventional
power
generation
technologies
often
suffer
from
drawbacks
such
maintenance
costs,
cumbersome
structures,
suboptimal
conversion
efficiencies,
thereby
limiting
their
potential.
The
based
on
micro-energy
technology
have
emerged
promising
new
approaches
in
recent
years,
owing
inherent
advantages
of
cost-effectiveness,
simplistic
structure,
ease
manufacturing.
This
paper
provides
comprehensive
overview
the
current
research
status
harvesting
through
technologies,
including
detailed
descriptions
piezoelectric
nanogenerators,
electromagnetic
generators,
triboelectric
dielectric
elastomer
hydrovoltaic
hybrid
nanogenerators.
Finally,
we
provide
prevailing
issues
challenges
associated
with
these
while
also
offering
insights
into
future
development
trajectory
technology.
Язык: Английский
Design, modeling and experiments of bistable wave energy harvester with directional self-adaptive characteristics
Zeng Xianming,
Nan Wu,
Jiyang Fu
и другие.
Energy,
Год журнала:
2024,
Номер
311, С. 133454 - 133454
Опубликована: Окт. 12, 2024
Язык: Английский
Interference effects on flow-induced oscillation of three tandem cylinders with passive turbulence control
Journal of Offshore Mechanics and Arctic Engineering,
Год журнала:
2024,
Номер
147(2)
Опубликована: Июль 16, 2024
Abstract
The
characteristics
of
flow-induced
oscillation
(FIO)
multiple
tandem
cylinders
with
passive
turbulence
control
(PTC)
change
due
to
interference
between
PTC
cylinders.
Identifying
positive
and
negative
interferences
is
vital
for
designing
marine
structures
involving
on
elastic
supports.
Experiments
a
single
cylinder,
two
three
in
were
conducted
study
the
placing
an
identical
oscillating
cylinder
upstream,
downstream,
both
upstream
downstream.
Critical
parameters
(damping,
stiffness)
Reynolds
number
(Re)
are
varied
tests.
onset
inflow
velocity
reduced
back-to-back
vortex-induced
vibration
(VIV)
galloping
achieved,
when
vicinity
basic
oscillator.
downstream
enhances
FIO
In
VIV
region,
one
more
effective
than
enhancement
improves
lower
stiffness
damping
ratios.
tends
suppress
oscillator
higher
stiffness.
suppression
vigorous
that
opposite
true
region.
When
placed
oscillator,
its
enhanced
whilst
it
suppressed
Язык: Английский